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Fixed Inductors

A fixed inductor is an electronic component, usually comprised of a wire coil or helix, that stores energy in the form of a magnetic field when a current is applied. The SRP1045-2R2M is a radial-leaded, high-current inductor from TDK that is designed to handle currents up to 50A. In this article, we will look at the application field and working principle of the SRP1045-2R2M.

Application Field of SRP1045-2R2M

The SRP1045-2R2M is commonly utilized in high-power DC/DC converter, switched-mode power supplies, and other current-sensitive, switched-mode power supplies. In these applications, the device acts as an inductor, which can reduce interference and electromagnetic noise when switching power from one circuit to another. The SRP1045-2R2M\'s high-current capabilities also make it suitable for applications such as motor drives and power factor controllers.

The SRP1045-2R2M is also popular in high-power audio applications, such as multi-channel power amplifiers. The device can help to ensure consistent signal quality by damping high frequency oscillations caused by rapid current changes. This helps to avoid distortion and improve audio quality.

Working Principle of SRP1045-2R2M

The SRP1045-2R2M works on the basic principle of electromagnetic induction. It consists of a wire coil that is insulated from its physical surroundings and a metal core, wrapped with the wire and forming a magnetic field. When a current is applied to the coil, it creates a magnetic field that causes an electric current to flow in the opposite direction. This electric current is known as the “back electromotive force” or “back EMF”.

When current is applied, the SRP1045-2R2M builds up a magnetic field around the wire, and this magnetic field is what stores the energy. When current is removed, the magnetic field collapses, and the stored energy is released as a current in the opposite direction. This current is known as “inductance” and is proportional to the size of the magnetic field created.

The SRP1045-2R2M is designed to be able to handle high currents, so its magnetic field is designed to be able to store more energy than other inductors. This means that it is able to output a higher “inductance” and device has a higher current capacity.

In summary, the SRP1045-2R2M is a high-current radial-leaded inductor, capable of handling currents up to 50A. It is commonly used in high-power DC/DC converters, switched-mode power supplies, motor drives, and power factor controllers. Its working principle is based on the principle of electromagnetic induction, and its design ensures high-current capacity and good signal quality in audio applications.

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